3 years ago

NEED ANSWER ASAP! BEST ANSWER WILL GET BRAINLIEST AND FIVE STARS!

Mathematics

2 answers:

Scrat [10]3 years ago

7 0

A function is when no X values are repeated. Thus the data shows a function because no X valued are repeated.

Inga [223]3 years ago

5 0

It does show a function because it passes the vertical line test (no two points have the same x value).

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@###GEOMETRY, SEE PHOTO! PLEASE HELP ASAP!####@

Dafna11 [192]

Since this is a right triangle, we can use our trigonometric functions to solve for x.

Since we know the adjacent side and hypotenuse, we will use cosine.

Based on the function $\cos(x) = \frac{adj}{hyp}$ , we can solve for x. The adjacent side is 7 and the hypotenuse is 12. Plugging this in, we get $\cos(x) = \frac{7}{12}$ .

Now, we must use our inverse trigonometric functions to solve for x:
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4 years ago

(x-4)2 + 3x at the value x = 7

Volgvan

Answer:

Step-by-step explanation:

x = 7

( x - 4 )^2 + 3x

= ( 7 - 4 )^2 + 3 ( 7 )

= 3^2 + 21

= 9 + 21

= 30